電橋式介電常數測試儀簡介：

主要采(cai)用電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)比較儀的(de)(de)原理，具有(you)(you)操(cao)作方(fang)便(bian)可(ke)(ke)靠、測(ce)(ce)(ce)(ce)量(liang)精度(du)高(gao)(gao)(gao)、讀數(shu)(shu)(shu)位數(shu)(shu)(shu)多、線(xian)性(xing)(xing)度(du)好(hao)，不受環(huan)境濕度(du)影響，儀器(qi)(qi)(qi)(qi)顯示采(cai)用大(da)(da)(da)(da)屏幕 TFT，可(ke)(ke)顯示電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)值 Cx、介(jie)(jie)(jie)損(sun)值tgδ、試驗電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓Upk/√2 、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)感(gan)(gan)(gan)量(liang)Lx、品質因(yin)數(shu)(shu)(shu)Q、測(ce)(ce)(ce)(ce)試電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)Ix、材(cai)料的(de)(de)介(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)常數(shu)(shu)(shu)ε、測(ce)(ce)(ce)(ce)試電(dian)(dian)(dian)(dian)(dian)(dian)(dian)源頻(pin)率(lv)(lv)fx、視在功率(lv)(lv)S、有(you)(you)效功率(lv)(lv)P、無功功率(lv)(lv)Q等，它不僅(jin)能(neng)測(ce)(ce)(ce)(ce)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)量(liang)、介(jie)(jie)(jie)損(sun)量(liang)，還(huan)能(neng)測(ce)(ce)(ce)(ce)量(liang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)抗器(qi)(qi)(qi)(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)感(gan)(gan)(gan)量(liang)和(he)Q值及固體材(cai)料和(he)液(ye)體材(cai)料的(de)(de)介(jie)(jie)(jie)質損(sun)耗和(he)介(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)常數(shu)(shu)(shu)，還(huan)有(you)(you)前(qian)時鐘的(de)(de)顯示，是(shi)目前(qian)國內精度(du)高(gao)(gao)(gao)、穩定性(xing)(xing)好(hao)、操(cao)作方(fang)便(bian)、用途廣(guang)泛(fan)的(de)(de)高(gao)(gao)(gao)壓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)橋。它在測(ce)(ce)(ce)(ce)量(liang)上具有(you)(you)很高(gao)(gao)(gao)的(de)(de)比率(lv)(lv)精度(du)和(he)穩定性(xing)(xing)，這是(shi)一般西林電(dian)(dian)(dian)(dian)(dian)(dian)(dian)橋 、高(gao)(gao)(gao)壓介(jie)(jie)(jie)損(sun)儀不能(neng)達(da)到的(de)(de)。適宜于在高(gao)(gao)(gao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓下(xia)測(ce)(ce)(ce)(ce)量(liang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)(dian)纜、高(gao)(gao)(gao)壓套管、電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)器(qi)(qi)(qi)(qi)、 電(dian)(dian)(dian)(dian)(dian)(dian)(dian)抗器(qi)(qi)(qi)(qi)、互(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)等高(gao)(gao)(gao)壓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力設(she)備的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)量(liang)及損(sun)耗角(jiao)正切(qie)值tgδ，以(yi)及各種固體或(huo)液(ye)體絕緣材(cai)料的(de)(de)介(jie)(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)常數(shu)(shu)(shu)（ε）及介(jie)(jie)(jie)損(sun)值tgδ，也可(ke)(ke)測(ce)(ce)(ce)(ce)量(liang)高(gao)(gao)(gao)壓變壓器(qi)(qi)(qi)(qi)或(huo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓互(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)的(de)(de)比差和(he)角(jiao)差。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)橋可(ke)(ke)外接(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)互(hu)感(gan)(gan)(gan)器(qi)(qi)(qi)(qi)以(yi)擴(kuo)大(da)(da)(da)(da)量(liang)程，測(ce)(ce)(ce)(ce)量(liang)大(da)(da)(da)(da) 的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)力 電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong) 器(qi)(qi)(qi)(qi) 時本電(dian)(dian)(dian)(dian)(dian)(dian)(dian)橋為四端測(ce)(ce)(ce)(ce)量(liang)具有(you)(you)引(yin)線(xian)補償裝置，使測(ce)(ce)(ce)(ce)量(liang)精度(du)提高(gao)(gao)(gao)，消(xiao)除接(jie)線(xian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻引(yin)起(qi)的(de)(de)附加誤差。本電(dian)(dian)(dian)(dian)(dian)(dian)(dian)橋還(huan)可(ke)(ke)測(ce)(ce)(ce)(ce)量(liang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)抗器(qi)(qi)(qi)(qi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)感(gan)(gan)(gan)量(liang)及Q值。量(liang)程擴(kuo)展器(qi)(qi)(qi)(qi)（供(gong)選購）能(neng)使主橋體的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)比從1000：1擴(kuo)大(da)(da)(da)(da)到106：1。

技術指標

　　電容測量范圍(wei):0.1Cn~1000Cn（7位有效(xiao)數字）外接量程擴展電容量至少測到1100uF

　　電容的測量準(zhun)確度：±1×10-5

　　電橋tgδ范(fan)圍：-110%到+110%

　　tgδ測量準(zhun)確度不大于0.2%rdg±1×10-5

　　tgδ測(ce)量z小分辨(bian)率1×10-6（連接電腦可達(da)1×10-7）

　　試驗電(dian)壓：0～1000kV，精(jing)度(du)1%（4位有(you)效(xiao)數字）

　　測(ce)量頻率：35～65Hz，精度1Hz（4位(wei)有效(xiao)數字）

電橋式介電常數測試儀參數：